Trevor L. Goodrich

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We demonstrate a semiconducting material, TiO2−δ , with ferromagnetism up to 880 K, without the introduction of magnetic ions. The magnetism in these films stems from the controlled introduction of anion defects from both the film– substrate interface as well as processing under an oxygen-deficient atmosphere. The room-temperature carriers are n-type with n(More)
High quality epitaxial barium hexaferrite (BaM) films with saturation magnetization of 4.3 kG, coercivity of 389Oe, and FMR linewidth of 500Oe, have been deposited by pulsed laser deposition on 6H-silicon carbide (SiC) single crystal substrates using an interwoven layer of magnesium oxide (MgO) and BaM of approximately 16 nm thick. This paper presents a(More)
Silver's unique performance combination of excellent electrical and thermal conductivity has always been considered very desirable to be used in high signal density, electrical interconnect systems. However, silver's poor mechanical performance, due to its lack of hardness and susceptibility to surface tarnishing, has limited silver's applications to(More)
Electronic interconnections frequently employ a combination of electroplated nickel or nickel alloy as a barrier layer to the substrate and electroplated gold as a topcoat. However, under extended mating cycles (&gt;10<sup>3</sup>) and potential bias in wet environments, these gold on nickel stacks often fail due to wear through and/or corrosion of the(More)
There is an increased interest in eliminating nickel from all wearable/personal electronics surfaces to prevent contact dermatitis and other allergic reactions caused by nickel. This paper presents a new metal finish for contact surfaces based on a unique nano-crystalline silver alloy (NCSA) that eliminates the need for a nickel barrier layer. The(More)
We demonstrate a semiconducting material, TiO2 d, with magnetism up to 880K, without the introduction of magnetic ions. The magnetism in these films stems from the controlled introduction of anion defects from both the film–substrate interface as well as processing under a deficient oxygen atmosphere. First-principle band structure calculations indicate(More)
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